Patent US1669095A successfully refreshed from Google Patents.
US1669095A
Expired / Lapsed
US
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Structural unit
Assignee: MACOMBER STEEL Co
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Filing: 1923-02-16
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Granted: 1928-05-08
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Expires: 1943-02-16
Abstract
No abstract record available.
Inventors
- 👤 Macomber Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:08
CPC Classifications
E; E04; E04C; E04C5/00; E04C5/01; E04C5/06; E04C5/065; E04C3/00; E04C3/02; E04C3/04; E04C3/08; E04C3/09; E04C2003/0486; E04C2003/0495
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1931-05-08 | 1931-11-07 | 1932-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-05-08 | 1935-11-07 | 1936-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-05-08 | 1939-11-07 | 1940-05-08 | $7700.00 | Window Closed / Lapsed |